body
{
    background-color: silver;
    background-size: cover;
}

.sidebar-nav {
    padding: 9px 0;
}

/* Large desktops and laptops */
@media (min-width: 1200px) {
    #imgBanner, .imgSlide
    {
        width:100%;
    }   
}

/* Portrait tablets and medium desktops */
@media (min-width: 992px) and (max-width: 1199px) {
    #imgBanner, .imgSlide
    {
        width:100%;
    }   
}

/* Portrait tablets and small desktops */
@media (min-width: 768px) and (max-width: 991px) {
    #imgBanner, .imgSlide
    {
        width:970px;
    }
}

/* Landscape phones and portrait tablets */
@media (max-width: 767px) {

}

/* Landscape phones and smaller */
@media (max-width: 480px) {

}

.text-error
{   
     border: 1px solid red;
}

.dropdown-menu .sub-menu {
    left: 100%;
    position: absolute;
    top: 0;
    visibility: hidden;
    margin-top: -1px;
}

.dropdown-menu li:hover .sub-menu {
    visibility: visible;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.nav-tabs .dropdown-menu, .nav-pills .dropdown-menu, .navbar .dropdown-menu {
    margin-top: 0;
}

.navbar .sub-menu:before {
    border-bottom: 7px solid transparent;
    border-left: none;
    border-right: 7px solid rgba(0, 0, 0, 0.2);
    border-top: 7px solid transparent;
    left: -7px;
    top: 10px;
}
.navbar .sub-menu:after {
    border-top: 6px solid transparent;
    border-left: none;
    border-right: 6px solid #fff;
    border-bottom: 6px solid transparent;
    left: 10px;
    top: 11px;
    left: -6px;
}